Conductive paste for internal electrodes, multilayer ceramic electronic component using the same, and method of manufacturing the same

Abstract

There are provided a conductive paste for internal electrodes, a multilayer ceramic electronic component including the same, and a method of manufacturing the same. The conductive paste for internal electrodes including: a nickel (Ni) powder; a nickel oxide (NiO) powder having a content of 5.0 to 15.0 parts by weight based on 100 parts by weight of the nickel powder; and an organic vehicle.

What is claimed is: 
     
       1. A conductive paste for internal electrodes comprising:
 a nickel (Ni) powder; 
 a nickel oxide (NiO) powder having a content of 5.0 to 15.0 parts by weight based on 100 parts by weight of the nickel powder; and 
 an organic vehicle. 
 
     
     
       2. The conductive paste of  claim 1 , wherein the nickel powder has an average particle size of 80 nm to 200 nm. 
     
     
       3. The conductive paste of  claim 1 , wherein the nickel oxide powder has an average particle size of 10 nm to 50 nm. 
     
     
       4. The conductive paste of  claim 1 , wherein the organic vehicle includes an ethyl cellulose-based binder and terpineol. 
     
     
       5. A multilayer ceramic electronic component comprising:
 a ceramic body in which a plurality of dielectric layers are stacked; and 
 a plurality of internal electrodes formed on at least one surfaces of the plurality of dielectric layers, 
 wherein the plurality of internal electrodes are formed of a conductive paste including a nickel (Ni) powder, a nickel oxide (NiO) powder having a content of 5.0 to 15.0 parts by weight based on 100 parts by weight of the nickel powder, and an organic vehicle. 
 
     
     
       6. The multilayer ceramic electronic component of  claim 5 , wherein the nickel powder has an average particle size of 80 nm to 200 nm. 
     
     
       7. The multilayer ceramic electronic component of  claim 5 , wherein the nickel oxide powder has an average particle size of 10 nm to 50 nm. 
     
     
       8. The multilayer ceramic electronic component of  claim 5 , wherein the organic vehicle includes an ethyl cellulose-based binder and terpineol. 
     
     
       9. The multilayer ceramic electronic component of  claim 5 , wherein a shrinkage initiation temperature of the internal electrodes is lower than that of the ceramic body,
 the shrinkage initiation temperature is 700° C. or above. 
 
     
     
       10. The multilayer ceramic electronic component of  claim 5 , further comprising external electrodes formed on both end surfaces of the ceramic body and electrically connected to the internal electrodes. 
     
     
       11. A method of manufacturing a multilayer ceramic electronic component, the method comprising:
 forming first and second internal electrodes by applying a conductive paste including a nickel (Ni) powder, a nickel oxide (NiO) powder having a content of 5.0 to 15.0 parts by weight based on 100 parts by weight of the nickel powder, and an organic vehicle to at least one surfaces of first and second ceramic sheets, so as to be exposed through both end surfaces of the first and second ceramic sheets, respectively; 
 forming a laminate by alternately stacking the plurality of first and second ceramic sheets having the first and second internal electrodes formed thereon; 
 forming a ceramic body by sintering the laminate; and 
 forming first and second external electrodes on both end surfaces of the ceramic body so as to cover surfaces on which the first and second internal electrodes are exposed. 
 
     
     
       12. The method of  claim 11 , wherein in the forming of the first and second internal electrodes, the first and second internal electrodes are alternately exposed through both end surfaces of the laminate when the first and second ceramic sheets are alternately stacked.